If you have not tried the Second Life First Look client yet, you really should give it a try. It installs independent from the normal Second Life Client, so both versions can exist on the same computer separately. The graphics are enhanced, and the colors look a lot more vibrant. You can download the First Look Client from the Linden Lab wesite:
This client will not automatically update, you need to watch the Linden Lab website and download the updates and install them manually. The releases will be made simutaneously.